cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A242335 Numbers k such that k*4^k-1 is semiprime.

Table of values

n a(n)
1 10
2 12
3 18
4 24
5 27
6 44
7 47
8 65
9 71
10 82
11 84
12 131
13 134
14 138
15 143
16 155
17 164
18 168
19 197
20 212
21 227
22 243
23 248
24 293
25 302
26 384
27 401

List of values

[10, 12, 18, 24, 27, 44, 47, 65, 71, 82, 84, 131, 134, 138, 143, 155, 164, 168, 197, 212, 227, 243, 248, 293, 302, 384, 401]